tutoring businesses

The chance that any one telephone line is busy at a given moment of time is 0.01. What is the chance that out of 5 telephone lines, less than 3 lines are busy? => 0.048 or .001 or 1 or 0.951..

Tommy started a business in the year 1991. He got $44,000 profit in the first year. Each year his profit decreased by 3%. Identify an exponential decay model to represent his decreasing annual profit in the business. => y = 44001(1.07) t or y = 43999(0.97) t or y = 44000(0.8..

A business man estimated that the average business traveler will spend more than $180 per week on calls. A sample of 20 business travelers are selected at random and their mean expenses was found as $185 with a standard deviation $15. Find the test value at α = 0..

A magazine report stated that the average business traveler will spend $180 per week on calls. A sample of 20 business travelers are selected at random and their mean expenses was found as $185 with a standard deviation $15. Is there enough evidence to reject the report at &alph..

Andy invested $8,672 and his friend invested $8,250 and both of them started a business together. How much more did Andy invest than his friend? => $422 or $432 or $428 or $522..

Both Quincy and Sheela started a business with a capital of $584,472. Quincy invested $153,131. How much did Sheela invest? => $533,341 or $533,441 or $431,341 or $541,341..

During the past 10 weeks, Jerry spent between $3547 and $5285 for business trips each week. Which could be the total amount that he spent on the trips for the past 10 weeks? => Between $4000 and $5000 or Between $35,000 and $53,000 or Between $30,000 and $50,000 or Less than $30,000..

A business man made a profit of $12342 in 1990. The profit increased by 4% per year for the next 7 years. Identify an exponential growth model for the profit. => y = 1.04(12342) 7 or y = 12342(4) 6 or y = 12342(4) 8 or y = 12342(1.04) 7..

A business made a profit of $17000 in 1991. Then its profits decreased by 2% each year for 5 years. Find its profit in the year 1995. => $15780.25 or $15680.25 or $15580.25 or $15880.25..

A business made a profit of $44,000 in 1991. Then its profits decreased by 5% each year for 4 years. Find its profit in the year 1995. => $35738.15 or $35838.27 or $36038.46 or $35938.51..